<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        button{
            background-color: gold;
            color: green;
        }
    </style>
    <link rel="stylesheet" href="/CSS/index.css">
</head>
<body>
    <button style="background-color: pink ; color: green">点我</button>
    <button style="background-color: pink ; color: green">购买</button>
    <button>美城</button>
    <button>月饼</button>
</body>
</html>